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Universal guy attachment device

US 3,538,237 A · Inventors: HOCKAWAY EDMUND E

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Listed from its USPTO record in Patent Yard's full-term archive. Its claims, description and drawings are in the USPTO PDF and on Google Patents, and the Claude kit works from them.

Why it's free to use

  • Granted November 3, 1970. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by November 3, 1987.
  • We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
FiledFebruary 4, 1969
GrantedNovember 3, 1970
Term endedNovember 3, 1987
Application number—
Classification (CPC)H02G7/05
Length5 pages

Timeline

Timeline From USPTO dates

197019721974197619781980198219841986Application filedFeb 4, 1969Patent grantedNov 3, 1970Term endedNov 3, 1987

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